Home / 251,481,815.20-377,222,722.80-239,577,536.80

Finding the Fourth Proportional to 251,481,815.20, 377,222,722.80 and 239,577,536.80

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Solution

The fourth proportional to 251,481,815.20, 377,222,722.80 and 239,577,536.80 is: 359,366,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,481,815.20 : 377,222,722.80 = 239,577,536.80 : x
  2. Step 2: Convert to fraction form
    251,481,815.20/377,222,722.80 = 239,577,536.80/x
  3. Step 3: Cross multiply
    251,481,815.20x = 377,222,722.80 × 239,577,536.80
  4. Step 4: Simplify right side
    251,481,815.20x = 90,374,090,753,413,200
  5. Step 5: Solve for x
    x = 90,374,090,753,413,200/251,481,815.20
  6. Step 6: Final answer
    x = 359,366,305.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.